Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Fireplace Repair Across Katy
Fireplace repair in Katy typically runs $175 – $425 for most gas and wood-burning systems, with full damper replacement and firebox rebuilds landing between $600 and $1,400. Most repair visits are completed in a single trip because we stock Copperfield, DuraFlex, and HeatShield parts in our Katy-area service van. If your fireplace smokes, smells, won’t light, or leaks when it rains, call us at (903) 961-6496 and we’ll give you a written price before any work begins.
We know Katy’s homes. Most of them sit in master-planned communities built after 1990, which means the “stone” chimney on your elevation is often a wooden chase hiding a factory-built metal flue, not a masonry chimney. That changes how repairs should be handled, and we’ll get into that below. The short version: we carry the right brushes, the right liner materials, and we check the chase cover every single visit because Katy’s rain will find any gap.
Why Ashby Chimney Houston Is Katy’s Preferred Fireplace Repair Company
Ashby Chimney Houston has operated since 2002 under the leadership of Nathan Corliss, and our Fireplace Repair crews work throughout Katy, from Cinco Ranch to Nottingham Country to Grayson Lakes. Every technician who arrives at your door is background-checked and uniformed, so you’ll never wonder who’s walking into your home. Phones are answered by a live person 24 hours a day, seven days a week, not a voicemail tree.
What earns us repeat calls in Katy is the Kingswell Way: say the price, show up in the window, leave it cleaner than we found it, put the guarantee in writing, and come back if it fails. That last part isn’t marketing language. It’s the 365-Day Done Right Promise. If a covered repair fails within the guarantee period, we return and correct it at no charge. You get a written price before work starts and a written guarantee when the job is done, every single time.
We’ve repaired fireplaces in Katy homes off Westheimer Parkway, Fry Road, and Mason Road. That local repeat work taught us what factory-built chimneys in this area actually fail from: rusted chase covers, gouged liners from wrong brushes, and gas logs that sooted up because the burner pan was never leveled. Not glamorous stuff, but it’s what keeps your fireplace safe and working.
Styles & brands we work with
Gas Fireplace Maintenance in Katy
Gas Fireplace Maintenance in Katy runs between $165 and $285 for a standard service call, which includes cleaning the burner, checking the thermocouple and pilot assembly, verifying gas pressure, and confirming the venting is clear. In Katy’s humid, rainy climate, we pull the glass and check for white mineral buildup on the inside of the glass, a sign moisture is finding its way into the firebox. A maintained gas fireplace should burn blue and steady, not flicker yellow or smell odd when the blower kicks on.
Burner Cleaning and Gas Pressure Check
When Katy homeowners call us because the flame has gone lazy or the fireplace won’t stay lit, the cause is usually a clogged burner port or a thermocouple coated in dust and pet hair. We remove the log set, vacuum the burner pan, clear each port with a fine pick, and test the gas pressure against the manufacturer’s spec. If the pressure is off, we’ll tell you what we found and quote the fix before we touch anything else.
Pilot Light and Thermocouple Service
A pilot light that goes out repeatedly in Katy is often a weak thermocouple, a safety device that shuts the gas off if the pilot dies. We replace thermocouples and thermopiles with OEM-grade parts, not whatever’s rolling around in a drawer. If your fireplace is older and the pilot assembly is corroded from humidity, we’ll show you the corrosion with our camera before recommending replacement.
Wood Stove Installation in Katy
Wood Stove Installation in Katy runs $900 – $2,800 depending on the existing chimney, with full flue liner installations landing between $1,600 and $3,400. Homes in rural Katy with acreage often use a wood stove as primary heat, which means the install has to be done right the first time: correct clearance to combustibles, a properly sized flue liner, and a chimney cap that keeps Katy’s rain out while still drafting well. We install stoves through existing factory-built chimneys where the liner is sound, and we’ll tell you plainly if your current flue can’t handle it.
Liner Sizing and Safety Clearances
An undersized liner chokes the draft and dumps smoke into the house when you open the door. An oversized liner lets the exhaust cool too fast, which is how you get third-degree creosote glaze in a single season. We measure the stove’s flue outlet and the existing chimney before we recommend a liner diameter, and we follow the clearance-to-combustibles requirements printed in the stove manual, not a guess.
Installation Through Factory-Built Chimneys
Most Katy subdivisions have factory-built metal chimneys, and yes, you can often install a wood stove through one, provided the flue is sized correctly and the chase has proper fireblocking. We use DuraFlex liner and insulation where the manual calls for it, and we’ll pull a permit where Katy requires one. We don’t do the parts-run-mid-job dance. The material goes on the truck before we leave for your house.
Trusted Brands We Service in Katy
We repair and install fireplaces from the major brands Katy homes came with: Heatilator, Heat & Glo, Majestic, Napoleon, and Vermont Castings. When a repair calls for new parts, we stock Copperfield caps and dampers, DuraFlex liners, and HeatShield refractory panels in our local service van. That means common fixes get done the same day without waiting on a distributor. When the part isn’t on the truck, we tell you that before we start, not after we’ve taken your fireplace apart and given you a bill for showing up.
See the difference
Before
After
Before
After
Before
AfterCommon Fireplace Repair Problems We See in Katy Homes
- Rusted chase covers on prefab fireplaces. The galvanized or painted steel cover that sits on top of a factory-built chimney traps standing water and rusts through in Katy’s heavy rains. When it fails, rainwater runs straight down the flue and shows up as rust stains on your hearth or water in the firebox. We replace them with galvanized or stainless units and reseal the flashing.
- Gouged liners from the wrong brush. A standard masonry wire brush tears up the thin stainless liner inside factory-built metal chimneys. In Cinco Ranch and similar master-planned communities around Katy, we see this constantly. We carry poly brushes that clean the flue without scratching the metal, and we’ll tell you to stop anyone who shows up with a wire brush for a prefab chimney.
- Heavy creosote in rural wood stoves. Homes on acreage in far west Katy using wood stoves as primary heat see third-degree creosote glaze inside one season when they burn unseasoned oak or pecan. That glaze blocks the flue and is the main cause of chimney fires. We clean it with mechanical rotary tools and talk to you about your wood supply, because the best sweep in Katy won’t fix wet wood.
- Spalling firebox panels from moisture. Katy’s humidity works its way into the firebox and causes the refractory panels to flake and crack, especially in gas fireplaces that get run hard in the winter and then sit damp all spring. We replace them with HeatShield or OEM panels and check the chase top while we’re up there.
Pricing for Fireplace Repair in Katy, TX
Most fireplace repairs in Katy fall between $175 and $425 for fixes like gas valve replacement, pilot assembly service, damper adjustment, and firebox panel replacement. Larger jobs run higher: a full chase cover replacement on a prefab fireplace is typically $350 – $700, a wood stove liner install starts around $1,600, and a complete rebuild of a smoke-damaged firebox can reach $1,400. What moves the number is mostly access and parts: whether we’re working on a two-story chase off a 12/12 roof or a ground-floor fireplace we can reach from the hearth.
You’ll never get a “we’ll see when we get there” number from us. Every job gets a written price before any work starts, and the invoice matches the quoted number. Call (903) 961-6496 for a free estimate. Nathan Corliss and the rest of the Ashby Chimney Houston team will walk you through what’s actually wrong, what it costs, and what can safely wait.
We Also Serve Cities Near Katy
If you’re just outside Katy, our crews also cover Richmond, Stafford, Rosenberg, and Missouri City. The drive is short enough that we can often schedule Katy-area service calls within the same week. Give us a call at (903) 961-6496 and we’ll sort out the soonest window that works for you.
Serving Katy, TX - Our Local Coverage Area
We’re based in the Katy area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Fireplace Repair in Katy
Even light use in Katy warrants an inspection once a year, and the reason isn’t creosote, it’s moisture. The humid, rainy climate around Katy rusts chase covers and flashing faster than you’d expect, and a fireplace that’s rarely used hides the damage longer. We check the chase cover, the flue condition, and the firebox in one visit. Call (903) 961-6496 and we’ll put you on the schedule.
The AC is pulling air across the fireplace chase and dragging a faint gas odor, or odor from a dirty burner, into your living space. It’s usually not a gas leak; it’s more often dust or a spider nest in the burner mixing with mercaptan, the rotten-egg odor added to natural gas. If you ever smell gas strongly, leave the house and call 911 first, then call us. For the faint AC-triggered smell, we’ll clean the burner and check every gas fitting from the valve to the burner pan.
Usually yes, if the existing flue liner is the right diameter and the chimney is in good condition. Many Katy homes in master-planned communities have factory-built chimneys that can accept a correctly sized steel liner, and we install wood stoves through them routinely. We’ll inspect the existing system with a camera and tell you honestly whether the flue can handle a wood stove, or whether the liner needs replacement first.
Standing water, mostly. A flat or improperly sloped chase cover traps rainwater, and Katy gets enough of it that a cheap cover will rust through in a few years. Once it rusts through, water runs down the flue and into the firebox, causing rust staining and spalling. We replace failed chase covers with properly sloped, galvanized or stainless units and seal the flashing so the water sheds off instead of pooling.
Third-degree creosote looks like shiny black tar glaze and is the most dangerous, as it blocks the flue and can ignite at 2,000°F. First-degree is a dry, brushable soot, and second-degree is a crusty tar that needs a rotary sweep. In rural Katy, where wood stoves run hard, we frequently see third-degree glaze within one season when unseasoned wood is burned. If you’re seeing glaze or your stove drafts poorly, call (903) 961-6496 and we’ll inspect it with a camera.
Written by Nathan Corliss, Owner at Ashby Chimney Houston, serving Katy since 2002.